Spiral-Wound gasket is formed of V-shaped metallic stripe and soft non-metallic filler by means of piled, spiral wound and connected its end and beginning by dot welded. Depend on its excellent compression resilience it is suitable for sealing spots where the alteration of temperature and pressure are frequent. It can be used as the static sealing element of pipe, valve, pump, thermal exchange, condensing tower, plain hole and man hole of flange, etc. It has been widely applied in the fields of petrochemical, mechanical manufactory, power station, metallurgy, shipbuilding, medical and pharmaceutical nuclear power station and navigation, etc.
APPLICATION:
We can produce according to ASME, BS, JIS and EN(DIN) standards or client request.
|
Products |
Style |
Flange |
For example |
|
Basic type SWG |
|
Tongue and Groove |
304/PTFE |
|
SWG with inner ring |
IR |
Male and Female |
304 304/FG |
|
SWG with outer ring |
CR |
Raised face
Flat face |
304/ASB CS |
|
SWG with inner
& outer rings |
IC |
304 304/FG CS | |
|
SWG for heat exchanger |
H |
Heat exchanger |
304/FG with 1 bar of DJ |
|
Special shape SWG |
S |
Special |
Oval |
MATERIAL:
|
Style |
Structure |
Hoop material |
Filler material |
Inner & outer ring material |
Normal thickness mm | |
|
Gasket |
Inner & outer ring | |||||
|
|
Without rings |
304(L);316(L)
321;317L
31803
Monel,
Ti,Ni
INC
Hast.C/B
Zr702
etc. |
Graphite, PTFE,
Asbestos
Non-asb
Mica,
etc |
CS,
304(L), 316(L),
321;317L
31803
Ti,Ni
INC
Hast. Monel,
Zr702 |
3.2
4.5
(0.175”)
6.4 |
2
3
(1/8”)
4 |
|
IR |
With inner ring | |||||
|
CR |
With outer ring | |||||
|
IC |
With inner & outer rings | |||||
Color cord as ASME B16.20 on request.